This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Climb inside an iron crystal magnified 165 billion times its normal size.

These delicate sand pyramids look like naturally occurring gothic spires.

This statue of the legendary Austrian composer is hidden in the center of an Italian town.

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

Enter the cabin of a life-sized Hindenburg replica.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

The second oldest continuously operating bar in Louisiana.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

When the rain falls, this drain system turns into a musical instrument.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

The largest brick bridge in the world.

One of the largest busts in the world celebrates the German city's erstwhile namesake.

This giant glowing "beanpole" adds much-needed pops of color to an otherwise drab power plant.

In this truly magical place, rent hasn't been raised since the year 1520.

Legend says this sculpture commemorates a brave baker who rescued the city in the Thirty Years' War.

What appears to be an ordinary bridge is actually a rare aqueduct.

According to legend a man pooped out the window of this tower to prove that it was straight.

This fountain tucked away in a park is the focal point of the only "Green Basilica" in Germany.

An automaton perched above an classic clock and watch store

A pair of gigantic baby heads greet passengers at Atocha Station.